Method for in-situ environment sensitive sealing and/or product

Details Method for in-situ environment sensitive sealing and/or product Method for in-situ environment sensitive sealing and/or product

1995-05-26

1997-05-13

Ryan, Patrick

Plastic and nonmetallic article shaping or treating: processes

Outside of mold sintering or vitrifying of shaped inorganic...

Of electrical article or electrical component

264492, 264656, 264671, 156 89, B32B 900, C03B 2900, C04B 3334

Patent

active

056288492

ABSTRACT:
A single furnace loading cycle technique and a ventable sintering box therefor are disclosed for the sintering of products, such as, ceramic substrates. The sintering box includes a closeable cover which is held open by collapsible or deformable or sensitive spacers in a first furnace temperature range. The sensitive spacers collapse or deform in a higher temperature range to seal closed the box and the substrates therein. Additional spacers may be used for applying weight upon the substrates at the higher temperature range. Thus, volatile agents within the substrates are permitted to escape in the first temperature range but are prevented from escaping in the higher temperature range and in situ sintering weights can be applied without removing the substrates from the furnace.

REFERENCES:
patent: 4228914 (1980-10-01), Sanderson
patent: 4259061 (1981-03-01), Dubetsky
patent: 4340436 (1982-07-01), Dubetsky et al.
patent: 5130067 (1992-07-01), Flaitz et al.
patent: 5364608 (1994-11-01), Edler
patent: 5376601 (1994-12-01), Okawa et al.

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